| Zero Branco to Oswego (Illinois) | 4,675.82 mi (7,525.01 km) |
| Zero Branco to Oswego (New York) | 4,131.02 mi (6,648.23 km) |
| Zero Branco to Otsego (Minnesota) | 4,702.74 mi (7,568.32 km) |
| Zero Branco to Ottawa (Illinois) | 4,709.78 mi (7,579.65 km) |
| Zero Branco to Ottawa (Kansas) | 5,086.89 mi (8,186.56 km) |
| Zero Branco to Ottumwa (Iowa) | 4,861.92 mi (7,824.50 km) |
| Zero Branco to Overland (Missouri) | 4,894.75 mi (7,877.34 km) |
| Zero Branco to Overland Park (Kansas) | 5,050.98 mi (8,128.77 km) |
| Zero Branco to Overlea (Maryland) | 4,301.24 mi (6,922.18 km) |
| Zero Branco to Oviedo (Florida) | 4,984.24 mi (8,021.36 km) |
| Zero Branco to Owasso (Oklahoma) | 5,223.82 mi (8,406.93 km) |
| Zero Branco to Owatonna (Minnesota) | 4,744.79 mi (7,636.01 km) |
| Zero Branco to Owensboro (Kentucky) | 4,810.27 mi (7,741.38 km) |
| Zero Branco to Owings Mills (Maryland) | 4,310.78 mi (6,937.54 km) |
| Zero Branco to Owosso (Michigan) | 4,455.72 mi (7,170.78 km) |
